View the greatest events in world history with photographs, audio sound bites, video, and graphics, for over 185 years. Over 3,000 photos/images/sound bites/graphics added daily, including audio and visual snapshots.

Explore encyclopedias and specialized reference sources on a variety of topics from history, government, environment, math, and more!

Formerly Global Reference on the Environment, Energy, and Natural Resources (GREENR). This database offers researchers an interdisciplinary resource for environment and sustainability studies, providing news, background information, video, commentaries, primary source documents and statistics in relevant topic areas such as energy systems, healthcare, food, climate change, population, and economic development. 

Discover literature content from more than 150,000 full-text poems, 840,000 poem citations and excerpts, 7,100 full-textshort stories and novels, 3,800 full-text essays published in the 16th-20th centuries, 2,400 full-text speeches, and 1,250 full-text plays. It also includes biographies, work summaries, photographs, and a glossary. Within LitFinder's collection, users can access works from over 80,000 authors from 660 nationalities.

eResources on many topics made possible in part by Library Services and Technology Act (LSTA) funds from the U.S. Institute of Museum and Library Services and through the Commonwealth of Pennsylvania's Library Access funds administered by the Pennsylvania Department of Education, Office of Commonwealth Libraries.

Discover reliable and trusted information on a variety of topics to support middle school student research for government, U.S and world history, geography, literature, sciences, and social issues.  Research In Context offers cross-curricular content aligned to national and state standards, and presents material organized into a highly visual and topic portal approach to quickly find answers.